Tuakau is a town in the Waikato region at the foot of the Bombay Hills, formerly part of the Franklin District until 2010, when it became part o…Tuakau is a town in the Waikato region at the foot of the Bombay Hills, formerly part of the Franklin District until 2010, when it became part of Waikato District in the North Island of New Zealand. The town serves to support local farming, and is the residence of many employees of New Zealand Steel at Glenbrook.