Athens is a progressive city open to everyone! The country shares a European mentality regarding the rights of LGBT community and makes each and everyone feel like home when visiting.
In Greek antiquity, homosexuality has been expressed in the writings of Plato, Herodotus and by a plethora of other Greek intellectuals. Achilles and Patroclus, Sappho the poet are examples of deep emotional bonds between same sex people in the ancient world.
The contemporary Athenian LGBT scene is constantly growing. You will find no signs of colorful flags, so you need to quite know where to go.
The most significant gay neighborhood is Gazi, with the majority of the venues located just around the area. Walk around to get the feeling of the place. Konstantinoupoleos and Triptolemous Streets are the best starting points.