Whats the worst little area in bay area?

hi i am from the bay area i was curious to ask whats the absolute worst area of the bay area,meaning crime wise i know westand east oakland and dangerous and richmond and hunters point of san francisco are dangerous but out of east oakland and richmond and hunters point what would be the most dangerous of those to go threw at night not that all ever be going to do that just curious? im not talking about full citys just little sections like is there a section of east oakland worse then area of hunters point ..