Why is lebanon considered an arab country when all its cultures and traditions are european?

Ive been to lebanon and the muslim girls wear mnini skirts, bikinis and bras on the beach, gay bars, gay beaches, and they even celebrate christmas and valentines day and thankgiving, and halloween, etc.
So why is it considered an arab country when they all live like europeans?
Update: But the Hot girls I met were MUSLIMS!! and they were wearing miniskirts too!!
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