Tembilahan (Jawi:تمبيلاهن ) is a town and district of Indragiri Hilir Regency, in the Riau province of Indonesia.
Tembilahan District has an area of 162.14 km2, consisting of 8 villages (all classed as urban kelurahan).
[1] The 8 urban villages (kelurahan) which comprise Tembilahan are: The districts (kecamatan) surrounding Tembilahan include: The soil conditions of the area is mostly composed of peat soil and stream sediment and marshes.
On the banks of the rivers and in the estuaries trenches there are many plants that grow, such as Nipah trees.
Tembilahan has a tropical rainforest climate (Af) with heavy rainfall year-round.