Solana, officially the Municipality of Solana, is a 1st class municipality in the province of Cagayan, Philippines. According to the 2020 census, …Solana, officially the Municipality of Solana, is a 1st class municipality in the province of Cagayan, Philippines. According to the 2020 census, it has a population of 88,445 people. Solana is a first class municipality covering an area of 277.22 square kilometers with 38 barangays. The Municipality is surrounded by the following: on the east by the Cagayan River, bounded on the north by the Municipality of Amulung, on the south by the Municipality of Enrile, on the southwest by the Province of Kalinga and on the northwest by the Municipalities of Piat and Tuao. Solana is 11 kilometres from Tuguegarao and 492 kilometres from Manila.