To solve this problem, we need to identify the location of the UN Conference of Parties on climate change held in 2011.$\newline$Let's analyze the options:$\newline \bullet$Option 1: Poland$\newline \bullet$Option 2: South Africa$\newline \bullet$Option 3: Peru$\newline \bullet$Option 4: Qatar$\newline$The UN Conference of Parties (COP17) in 2011 was held in Durban, South Africa.$\newline$Therefore, the correct option is Option 2: South Africa.