Bengkok Metropolis, Thailand
The Bangkok Metropolitan Region (BMR) ( Thai : กรุงเทพมหานครและปริมณฑล ; RTGS : krung thep maha nakhon lae parimonthon ; lit. 'Bangkok and environs'), may refer to a government-defined "political definition" of the urban region surrounding the metropolis of Bangkok, or the built-up area, i.e., urban agglomeration of Bangkok , Thailand , which varies in size and shape, and gets filled in as development expands. The political definition is defined as the metropolis and the five adjacent provinces of Nakhon Pathom , Pathum Thani , Nonthaburi , Samut Prakan , and Samut Sakhon .