Udda is a village in Västervik Municipality, in Kalmar County, Sweden. Udda lies at 13 m above sea level. The nearest city is Västervik, 5.6 km to the southwest. Beaches nearby: Breviksbadet (4.8 km), Sandviksbadet (8.2 km), Idösund (13 km). Among the landmarks around are Smalspårsjärnvägen Hultsfred–Västervik (5.8 km), Sankta Gertruds kyrka, Västervik (5.6 km) and Loftahammar Church (11.4 km).