I came across this great listing at mysterylovers.com and it occurred to me this provides an amazing listing to create your customized World Mystery Book Tour. Check out the variety available.
Italy
Grace Brophy writes the Alessandro Cenni series, Commisario, state police of Umbria, Italy
Andrea Camilleri writes the Inspector Montalbano series, detective, Sicily
Michael Dibdin writes thethe Aurelio Zen series, Italian police inspector, various Italian locations
Conor Fitzgerald writes the Alec Blume, ex-pat American and Commisario of Police, Rome
Michele Giuttari writes the Michele Ferrara, Squadra Mobile, Florence, Italy
David Hewson writes the Nic Costa series, police detective, Rome, Italy
Christobel Kent writes the Sandro Cellini, cop turned PI, Florence, Italy
Donna Leon writes the Guido Brunetti series, police inspector Venice
Carlo Lucarelli writes the Commissario De Luca series, policeman in post-Mussolini Italy
Carlo Lucarelli writes the Grazia Negro series, police inspector, Bologna
Beverle Graves Myers writes the Tito Amato series, castrato opera singer, 18th century Venice
Magdalen Nabb writes the Salvatore Guarnaccia series, Carabinieri Marshall, Florence
John Maddox Roberts writes the Decius Caecillius Metellus, sleuth in ancient Rome
Steven Saylor writes the Gordianus the Finder, an early PI in ancient Rome in the time of Caesar
Valerio Varesi writes the Commisario Soneri, Parma, Italy
Marco Vichi writes the Inspector Bordelli, Florence in the '60s
Jan Merete Weiss writes the Natalia Monte, police captain, Naples, Italy
France (plus Belgium)
Cara Black writes the Aimee LeDuc series, Franco-American PI in Paris
Michael Bond writes the Monsieur Pamplemousse series, French culinary critic
Alexander Campion writes theCapucine Tellier, policemwoman married to food critic, Paris
Claude Izner writes the Victor Legris, bookseller in 19th century Paris
Gerald Jay writes the Inspector Paul Mazarelle, Paris cop now in the Dordogne region
M.L. Longworth writes the Antoine Verlaque, magistrate Aix-en-Provence
Adrian Magson writes the Inspector Lucas Rocco, 1960's Picardie France
Peter May writes the Enzo MacLeod series, Scottish forensic scientist, Toulouse, France
Georges Simenon writes the Maigret series, police detective, Paris, France---220 mysteries
Peter Steiner writes the Louis Morgan and Jean Renard, retired CIA agent and village cop in south of France
Fred Vargas writes the Det. Commissaire Jean-Baptise Adamsberg series, Paris, France
Martin Walker writes the Bruno Courreges, chief of police, south of France
Michelle Wan writes the Mara Dunn series, sleuth, Dordogne
Pieter Aspe writes the Inspector Pieter Van, Bruge Belgium
Germany & Austria
Jakob Arjouni writes the Turkish-German PI Kemal Kayankaya
Rebecca Cantrell writes the Hannah Vogel, journalist in pre-war Berlin
David Downing writes the John Russell, Anglo-American journalist in pre-war Berlin
Philip Kerr writes the Bernie Gunther, PI in pre and post-war Germany
Jonathan Rabb writes the Nicolai Hoffner, police detective, pre-war Berlin
Morley Torgov writes the Herman Preiss, police inspector 1868 Munich
Wolf Haas writes the Simon Brenner, ex-cop, Vienna Austria
Oliver Potzsch writes theJakob Kuisly, town hangman and his daughter Magdalena, 16th century Bavaria
Scandinavia
Jussi Adler-Olsen writes the Inspector Carl Mork, cold case squad, Copenhagen, Denmark
Karin Alvtegen writes the standalone crime novels, Sweden
Blaedel, Sara writes the Louise Rick, Detective Inspector Copenhagen, Denmark
K.O. Dahl writes the Frank Froelich, detective inspector Oslo, Norway
Ake Edwardson writes the Erik Winter series, chief inspector, Gotesborg, Sweden
Kjell Eriksson writes the Ann Lindell series, Police inspector, Libro, Sweden
Karin Fossum writes the Konrad Sejer series, police inspector, Norway
Anne Holt writes the Hanne Wilhelmsen series, police detective Oslo, Norway
Anne Holt writes the Joanna Vik and Adam Stubo series, former FBI profiler and police chief, Oslo Norway
Matti Joensuu writes the Timo Harjunpaa, detective sergeant, Helsinki, Finland
Lene Kaaberbol writes the Nina Borg, nurse, Copenhagen Denmark
Mons Kallentoft writes the Malin Fors, policewoman, Fjallbacka, Sweden
Lars Kepler writes the Detective Inspector Joona Linna, Tumba, Sweden
Camilla Lackberg writes the Patrik Hedstrom, detective, Fjallbacka, Sweden
Asa Larsson writes the Rebecka Martinsson series, tax attorney, Sweden
Stieg Larsson writes the hacker Lisbeth Salander and journalist Mikail Blomkvist, Stockholm, Sweden
Henning Mankell writes the Kurt Wallander series, police detective, Sweden and others
Liza Marklund writes the Annika Bengtzon, reporter, Sweden
Jo Nesbo writes the police inspector Harry Hole, Oslo, Norway
Hakan Nesser writes the Inspector Van Veeteren series, detective inspector, in a country much like Sweden
Kristina Ohlsson writes the Alex Recht, Swedish National Police, Stockholm, Sweden
Anders Roslund writes crime novels set in Stockholm, Sweden
Yrsa Sigurdardottir writes the lawyer Thora Gudmundsdorrir, Reykjavik, Iceland
James Thompson writes the Kari Vaara, police inspector Finland
Maj Sjowall and Per Wahloo writes the Martin Beck, police detective, Sweden
Helene Tursten writes the Inspector Irene Huss, Goteborg, Sweden
Jan Costin Wagner writes the Detective Kimmo Joenta, Turku, Finland
Other European locations
Michael Genelin writes the Jana Martinova, police commander, Bratislava, Slovenia
Vilmos Kondor writes the mystery set in pre-war Budapest Hungary
Anne Zouroudi writes the Hermes Diaktoros, enigmatic detective, Athens, Greece
Jeffrey Siger writes the Andreas Kalidis, Chief Inspector, Greek National Police
Janwillem VandeWetering writes the Grijpstra and de Gier, Amsterdam cops
Asian
John Burdett writes theSonchai Jitpleecheep, police detective Bangkok, Thailand
James Church writes the Inspector O series, North Korean police detective
Colin Cotterill writes the Siri Paiboun, coroner in mid-seventies Laos
Colin Cotterill writes the Jimm Juree, crime reporter rural Thailand
Shamini Flint writes the Inspector Singh, Singapore
Timothy Hallinan writes the Poke Rafferty series, expat American travel writer, Bangkok, Thailand
Keigo Higashino writes the Detective Galileo, Tokyo, Japan
Natsuo Kirino writes the various standalone crime novels
Diane Wei Liang writes the PI Mei Wang, Beijing China
Martin Limon writes the George Sueno & Ernie Bascom, Army CID investigators, 1970s South Korea
Peter May writes the Li Yan and Margaret series, Chinese police detective and American forensic pathologist, Beijing, China
Sujata Massey writes the Rei Shimura series, Japanese American antiques dealer
Christopher G. Moore writes the American expat PI Vincent Calvino, Bangkok Thailand
I. J. Parker writes the Akitada Sugawara series, civil servant turned sleuth, feudal Japan
Eliot Pattison writes the Shahn Tao Yun series, disgraced Chinese policeman in Tibet
David Rotenberg writes the Zhong Fan series, homicide detective, Shanghai, China
Lisa See writes the Liu Holan series, police detective, Beijing, China
Nuryi Vittachi writes the C.F. Wong, Feng Shui consultant, Singapore
Michael Walters writes the Inspector Nergui series, Serious Crimes Unit, Mongolia China
Qiu Xiaolong writes the Chen Cao series, Shanghai police inspector
Egypt, the Middle East, Turkey and India
Esmahan Aykol writes the Kati Hirschel, mystery bookstore owner, Istanbul, Turkey
Paul Doherty writes the Amerotke series, Chief Judge of 18th Dynasty Egypt
Kishwar Desai writes the Simran Singh, social worker, Punjab India
Nick Drake writes the Rahotep, detecive dynastic Egypt
Zoe Ferraris writes theKatya Hijazi, medical examiner, Jidda Saudi Arabia
Batya Gur writes the Michael Ohayon, police detective Israel
Tarquin Hall writes the Indian PI Vish Puri
Joseph Kanon writes the standalones, settings include Germany, Venice and Istanbul
Barbara Nadel writes the inspector Cetik Ikmen, Istanbul, Turkey
Michael Pearce writes the Gareth Owen series, Mamur Zapt in 1905 Cairo Egypt--WWI
Elizabeth Peters writes the Amelia Peabody series, Edwardian archaeologist, Egypt
Mary Reed writes the John the Eunuch series, Lord Chamberlain to Justinian 6th Cent
Constantinople
Matt Beynon Rees writes the Omar Yuseff, schoolteacher Bethlehem, West Bank
Mehmet Murat Somer writes the drag queen sleuth, Istanbul, Turkey
Paul Sussman writes the Yusuf Khalifa series, Inspector, Luxor, Egypt
Jenny White writes the Kamil Pasha, magistrate in 19th century Istanbul, Turkey
Africa
Suzanne Arruda writes the Jade del Cameron, photojournalist 1920's East Africa
Nick Brownlee writes the Jake and Jouma, retired Scotland Yard detective and poiice detective, Mombasa, Kenya
Nina Darnton writes the standalone set in Nigeria
Adimchinma Ibe writes the Nigerian detective Peterside
Jassy Mackenzie writes the PI Jade DeJong, Johannesburg, South Africa
James McClure writes the Kramer and Zondi series, a white detective and his Bantu sergeant in apartheid South Africa
Deon Meyer writes the several standalone crime novels set in South Africa
Tamar Myers writes the missionary Amanda Brown, 1950's Belgian Congo
Malla Nunn writes the 1950's South African cop Emmanual Cooper
Kwei Quartey writes the Inspector Darko Dawson, Ghana
Alexander McCall Smith is well known for his No. 1 Ladies Detective Agency series
Roger Smith writes the standalone crime novels set in Capetown, South Africa
Michael Stanley writes the David "Kubu" Bengu, assistakient superintendent, Botswana
Robert Wilson writes the Robert Medway, fixer, East Africa
Russia
Boris Akunin writes the Sister Pelagia series, Russian Orthodox nun, czarist Russia
Boris Akunin writes the Erast Fandorin series, suave, young policeman in Tsarist Russia
Sam Eastland writes the Inspector Pekkala, czarist-era cop in 1930's Stalinist Russia
Brent Ghelfi writes the Alexei Volkovoy series, Russian undercover agent
Andrey Kurkov - aspiring writer Viktor Zolotaryov and his penguin Misha, Kiev, Russia
R. N. Morris writes the Porfiry Petrovich, Czarist-era policeman
William Ryan writes the Alexeii Korolev, policeman in Stalin-era Moscow
Martin Cruz Smith writes the Arkady Renko series, police detective, Moscow, Russia
Spain
P.J. Brooke writes the Max Romero, inspector, Granada, Spain
Arturo Perez-Reverte writes the Diego Alatriste series, swordsman, 17th century Spain
Rebecca Pawel writes the Carlos Tejada series, cop in the Guardia Civilia, civil war-era Spain
Alicia Gimenez-Bartlett writes the Petra Delicado series, police detective, Barcelona, Spain
Robert Wilson writes the Javier Falcon series, policeman, Seville, Spain
Manuel Vazquez Montalban writes the Pepe Carvalho, PI, Barcelona
South of U.S.
Annamaria Alfieeri writes two historical mysteries set in Paraguay and Bolivia
Lisa Brackmann writes standalones set in Mexico
Hilary Davidson writes the travel writer Lily Moore, 2nd book set in Peru
Joan Druett writes the Wiki Coffin series, Pacific Islander linguist, 1838 Exploring Expedition
Luiz Alfredo Garcia-Roza writes the Inspector Espinosa series, police detective, Rio de Janiero,
Brazil
Leighton Gage writes the Mario Silva series, Chief Inspector, Federal Police, Brazil
Guillermo Martinez writes the Book of Murder,a standalone
Leonardo Padura writes the Mario Conde series, police lieutenant, Havana, Cuba
Steven Torres writes the Luis Gonzalo, sheriff of Angustias, Puerto Rico,
Australia
Peter Corris writes the Cliff Hardy series, Australian PI
Garry Disher writes the Hal Challis series, Detective inspector, Melbourne Australia
Garry Disher writes the bank robber Wyatt
Kerry Greenwood writes the Phryne Fisher series, '20 sleuth, Australia
Kerry Greenwood writes the Corinna Chapman series, bakery owner, Melbourne, Australia
Adrian Hyland writes the Emily Tempest series, half-Aboriginal tribal police officer
Peter Temple writes the Melbourne homicide cop Joe Cashin
Ireland
Benjamin Black writes the Quirke series, pathologist, Dublin, Ireland in the '50s
Ken Bruen writes the Jack Taylor series, ex-cop, Galway Ireland
Tana French writes the Cassie Maddox series, police detective, Dublin Ireland plus other standalones
Cora Harrison writes the Mara the judge, 16th century Ireland
Declan Hughes writes the Edward Loy series, PI, Dublin Ireland
Brian McGilloway writes the Benedict Devlin series, Garda Inspector, Ireland
Adrian McKinty writes the Michael Forsythe series, Irish mercenary
Stuart Neville writes the several interconnected books set in Northern Ireland
Gerard O'Donovan writes the Mike Mulcahey, det. insp., Dublin Ireland
Ian Sansom writes the Israel Armstrong series, bookmobile librarian
Peter Tremayne writes the Sister Fidelma series, 7th Century Irish Nun, Ireland
There you go! Plenty of international writers of mystery to design your own world tour. Were any missed? Tell us about them in the comments.
Enjoy!