Al-Mukalla vs Mukalla

Al-Mukalla and Mukalla both are nouns.

Word	Noun	Adjective	Verb	Adverb
Al-Mukalla	Yes	No	No	No
Mukalla	Yes	No	No	No

As nouns, Al-Mukalla and Mukalla are synonyms defined as:

Al-Mukalla and Mukalla: a port in southern Yemen on the Gulf of Aden to the east of Aden

Other synonyms of Al-Mukalla include Al Mukalla.

Al-Mukalla (noun)	Mukalla (noun)
a port in southern Yemen on the Gulf of Aden to the east of Aden	a port in southern Yemen on the Gulf of Aden to the east of Aden