Genoa (Genova) is a port city and capital of the Liguria region in northwest Italy. It's known for its central role in maritime trade over many centuries. In the old town stands the Romanesque Cathedral of San Lorenzo, with its black-and-white-striped facade and frescoed interior. Narrow lanes open onto monumental squares like Piazza de Ferrari, site of an iconic bronze fountain and the Teatro Carlo Felice opera house. The city cemetery, dating from the 6th and 5th centuries BCE, testifies to the occupation of the site by the Greeks, but the fine harbor probably saw use much earlier, perhaps by the Etruscans. December, January and February, the average temperature is 12 °C (54 °F) during the day and 6 °C (43 °F) at night. In the warmest months – July and August – the average temperature is 27.5 °C (82 °F) during the day and 21 °C (70 °F) at night.