The state capital is Pachua[?]. Also in the state of Hidalgo is the town and ancient Toltec ruins of Tula.
ISO 3166-2 is MX-HID.
... has a total area of 23.9 km² (9.2 mi²). 21.9 km² (8.5 mi²) of it is land and 2.0 km² (0.8 mi²) of it is water. The total area is 8.24% ...