sentences:  Indautxu was a predominantly rural area of the former elizate of Abando until its annexation to the city of Bilbao in 1870.Starting in the late 19th century, and as the influence of neighbouring city of Bilbao grew bigger with the construction of the "ensanche" in former Abando lands, Indautxu began to be populated by wealthy families coming from the industrial bourgeoisie of the province, giving way to the construction of many villas.In 1907 Indautxu was finally integrated into Bilbao's urban fabric as part of its "ensanche".