postmarked in 1980 with a 65 H. Saudi Arabia stamp
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Al-Ahsa is a traditional oasis region in eastern Saudi Arabia. The oasis is located about 60 km inland from the Persian Gulf.
Al-Ahsa has been inhabited since prehistoric times, due to its abundance of water in an otherwise arid region. Natural fresh-water springs have surfaced at oases in the region for millennia, encouraging human habitation and agricultural efforts (date palm cultivation especially).
Oil production and agriculture are the main economic activities.