Texel is a municipality and an island with a population of 13,643 in North Holland, Netherlands. It is the largest and most populated island of th…Texel is a municipality and an island with a population of 13,643 in North Holland, Netherlands. It is the largest and most populated island of the West Frisian Islands in the Wadden Sea. The island is situated north of Den Helder, northeast of Noorderhaaks, and southwest of Vlieland.