Chatuchak Weekend Market is somewhere that you must visit if you visit Bangkok.
- the world's largest market
- 15,000 stalls
- more then 200,000 visitors a week
- been running for over 70 years
Here's a pdf map - http://www.chatuchakmarket.org/files/download-market-map-new.pdf
Here's more information on Facebook.
And on Twitter.
How to get there. Previous Visit - 2016