No, a person's place of birth does not determine their religion. According to halacha (Jewish law), in order to be Jewish by birth, the mother must be Jewish. (Most Reform groups consider a child Jewish if either parent is Jewish and the child is raised Jewish.)
MIKA's parents are American. MIKA was born in Lebanon and his father was born in Jerusalem. His mother's parents are from Lebanon.
A person is Jewish if their mother was born Jewish, or if they properly accepted and converted to Judaism.
Born of a Jewish mother, a son is automatically Jewish. Simple heritage, inherent ethnic nature.
Cyril of Jerusalem was born in 313.
Sophronius of Jerusalem was born in 560.
Amalric I of Jerusalem was born in 1136.
Isabella I of Jerusalem was born in 1172.
Hodierna of Jerusalem was born in 1110.
Benedict I of Jerusalem was born in 1892.
Baldwin I of Jerusalem was born in 1058.
Nectarius of Jerusalem was born in 1605.
Wilhelm Jerusalem was born in 1854.