Which is the oldest airport still in use today?

Can you enlighten me on the identity of the oldest airport that is still functional and operational to this day? I'm genuinely curious to know which historical airport has managed to withstand the test of time and continues to serve travelers and airlines alike, maintaining its relevance and significance in the ever-evolving aviation industry. What is the name of this venerable airport, and perhaps you could also share some fascinating facts or historical tidbits about its longevity and enduring legacy?