Szechwan vs Szechwan province

Szechwan and Szechwan province both are nouns.

Word	Noun	Adjective	Verb	Adverb
Szechwan	Yes	No	No	No
Szechwan province	Yes	No	No	No

As nouns, Szechwan and Szechwan province are synonyms defined as:

Szechwan and Szechwan province: a populous province of south central China

Other synonyms of Szechwan include Sichuan, Szechuan.

Szechwan (noun)	Szechwan province (noun)
a populous province of south central China	a populous province of south central China