North Malabar of native Hindus, native Mappila-Muslims, native Jains and migrant-Christian communities and is characterized by distinct socio-cultural customs and behavior. The people of North Malabar have striven to preserve their distinct and unique identity and heritage since ancient times, through colonial times into modern political India. From the seventeenth century onward, until the early twentieth century, there were cultural taboos among certain communities from North Malabar, which forbade their women marrying people of the same respective communities, from the southern territories. Even in modern times it is not uncommon to see "alliances from Malabar region preferred" in newspaper matrimonial announcements placed
Malabar region moisture-laden Southwest monsoon rains. The Malabar Coast featured (and in some instances still does) a number of historic port cities. Notable among these were/are Naura, Vizhinjam, Muziris, Nelcynda, Beypore and Thundi (near Kadalundi) during ancient times, and Kozhikode (Calicut), Cochin in the medieval period, and have served as centers of the Indian Ocean trade for millennia. Because of their orientation to the sea and to maritime commerce, the coastal cities of Malabar are very cosmopolitan and have hosted some of the first groups of Christians (now known as Saint Thomas Christians), Jews (today called as Cochin Jews), and Muslims (at