urban planning vs town planning

urban planning and town planning both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban planning	Yes	No	No	No
town planning	Yes	No	No	No

As nouns, urban planning and town planning are synonyms defined as:

urban planning and town planning: determining and drawing up plans for the future physical arrangement and condition of a community

Other synonyms of urban planning include city planning.

urban planning (noun)	town planning (noun)
determining and drawing up plans for the future physical arrangement and condition of a community	determining and drawing up plans for the future physical arrangement and condition of a community
the branch of architecture dealing with the design and organization of urban space and activities