The Protogeometric style (or Proto-Geometric) is a style of Ancient Greek pottery led by Athens and produced, in Attica and Central Greece, between roughly 1025 and 900 BCE, during the Greek Dark Ages. It was succeeded by the Early Geometric period.
Earlier studies considered the beginning of this style around 1050 BCE.
Geometric art is a phase of Greek art, characterized largely by geometric motifs in vase painting, that flourished towards the end of the Greek Dark Ages and a little later, c. 900–700 BC. Its center was in Athens, and from there the style spread among the trading cities of the Aegean. The so-called Greek Dark Ages were considered to last from c. 1100 to 800 BC and include the phases from the Protogeometric period to the Middle Geometric I period, which Knodell (2021) calls Prehistoric Iron Age. The vases had various uses or purposes within Greek society, including, but not limited to, funerary vases and symposium vases.