Poipu, located on the southern coast of the island of Kauai in Hawaii, is adjacent to several communities and municipalities. Nearby areas include:

1. Koloa: This is the closest town to Poipu and is just a short drive away. Koloa is known for its historic Old Koloa Town and is often considered part of the greater Poipu area.

2. Lawai: Located to the northwest of Poipu, Lawai is a small community that offers a more rural feel compared to the resort-like atmosphere of Poipu.

3. Kalaheo: Further northwest from Poipu, Kalaheo is another nearby community that provides a more local residential experience.

4. Hanapepe: Located to the west of Poipu, Hanapepe is known for its charming small-town atmosphere and is often referred to as "Kauai's Biggest Little Town."

These communities, along with Poipu, form part of the larger district of Koloa on the island of Kauai.