Andy is an expat regularly blogging about "News, Views, Life and Current Affairs in Japan". He has a very readable blogging style with a little dry humour expertly observing the idiosycracies and commenting on some stereotypes of the Japanese.

For example his train fight post educates about the dog eat dog world of Tokyo commuting and entertain at the same time:

This is not technically a city blog as Karie & Scott move around so much but I love reading the first impressions of the places they visit seen through wide and observant American eyes. They are a married couple who sold practically everything they own and moved to Barcelona, and are currently travelling around Europe, seemingly going absolutely everywhere!

Rachel is a New Yorker who moved to Rio in 2007 with a lively blog that chronicles her "adventures, pitfalls, and general loucura of being a gringa in Rio".
The daily updates are entertaining and in giving her own views on life in Brazil, occasionally controversial. Good for her since surely whether you agree or disagree with her point of view, a blogger should describe life in a foreign country as he or she sees it?

Krista is an American girl who likes food. But not cooking. Clearly. She maintains a prodigious output on her Londondelicious blog documenting her travels around the city's restaurants.

The term flâneur comes from the French verb flâner, which means "to stroll". A flâneur is thus a person who walks the city in order to experience it. (See flâneur on Wikipedia) This is a fine angle for a city blog, and in wandering New York, NeoFlaneur (R. Arson Teague, Writer & Wanderer) has the time and the skill to make useful and intelligent observations.