It could be Eleusina where the Eleusinian Mysteries, one of the most important religious event of Ancient Greece, took place in her honor.
Demeter is the goddess of fertility, and grain
I would assume the farmers of ancient Greece. Demeter was the goddess of crops, grain in particular.
The Greek goddess Demeter lived on Mount Olympus.
Megara worshiped many gods, having temples to Demeter, Artemis, Apollo, Aphrodite, and others.
The city-state for which Artemis was patron for was Sparta.
Athens was the city Athena is patron for. It was named after her.
Aphrodisias
Demeter was the Greek goddess of agriculture.
Artemis is the patron goddess of the Hunt. She gives her aid to women in childbirth. She protects maidens and animals. She is the patron of the city Sparta.
Demeter is the Greek goddess of earth and harvest.
Demeter is the Greek goddess associated with the Roman goddess Ceres.
demeter