- Country
- Brazil
- Region
- Northeast
- State
- Alagoas
- Founded
- 14 November 1889
- Mayor
- Eronita Sposito Leao e Lima ( MDB ) (2025-2028)
- Vice mayor
- Vínicius Leao e Lima Carvalho ( PSB ) (2025-2028)
- Total
- 313.231 km (120.939 sq mi)
- Elevation
- 35 m (115 ft)
- Density
- 76.85/km (199.0/sq mi)
- Town settlement
- 20,470
- Demonym
- Porto-calvense ( Brazilian Portuguese )
- Time zone
- UTC-03:00 ( Brasília Time )
- Postal code