Puebla vs Puebla de Zaragoza

Puebla and Puebla de Zaragoza both are nouns.

Word	Noun	Adjective	Verb	Adverb
Puebla	Yes	No	No	No
Puebla de Zaragoza	Yes	No	No	No

As nouns, Puebla and Puebla de Zaragoza are synonyms defined as:

Puebla and Puebla de Zaragoza: a city in south central Mexico (southeast of Mexico City) on the edge of central Mexican plateau

Other synonyms of Puebla include Heroica Puebla de Zaragoza, Puebla City.

Puebla (noun)	Puebla de Zaragoza (noun)
a city in south central Mexico (southeast of Mexico City) on the edge of central Mexican plateau	a city in south central Mexico (southeast of Mexico City) on the edge of central Mexican plateau