Al Mukalla vs Al-Mukalla

Al Mukalla and Al-Mukalla both are nouns.

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

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

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

Other synonyms of Al Mukalla include Mukalla.

Al Mukalla (noun)	Al-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