Bombay Castle, also known as Casa da Orta is one of the oldest defensive buildings built in Mumbai, Maharashtra.
- Location: Mumbai, Maharashtra 400001
- Timings: 10:00 am to 8:00 pm
- Closed: All 7 days open
- Entry fee: free
- Type: Fort
- Built By: Portuguese (Garcia de Orta)
- Year of Construction: 1668