Attingal is a municipality in the Thiruvananthapuram district of Kerala state, India. It is the headquarters of Chirayinkeezhu Taluk, and the important government institutions of the taluk such as the Taluk office and treasuries are situated in Attingal town. It is in the suburb of the extended metropolitan region of Thiruvananthapuram city. Located 30 kilometres (19 mi) north of Thiruvananthapuram, it is the largest and most important town in Trivandrum district after the capital.