Melissa Donovan has an excellent piece on writing setting in fiction. You need a couple of sentences at the start of each scene to tell the reader  where we are. (I made this mistake numerous times in the first draft of my book. The reviewer kept writing, “Yes, but where are we?”)

Melissa’s blog is called “writingforward” and the article I’m referring to  is at

http://www.writingforward.com/writing_exercises/fiction-writing-exercises/fiction-writing-exercises-for-developing-setting