can you name some places where this kind of discrimination is prominent?
Australia, New Zealand,  many countries in the Americas, Jordan, etc
Racial discrimination
A 2013 analysis of World Values Survey data by The Washington Post looked at the fraction of people in each country that indicated they would prefer not to have neighbours of the same race. It ranged from below 5% in Australia, New Zealand, and many countries in the Americas, to 51.4% in Jordan; Europe had wide variation, from below 5% in the UK, Norway, and Sweden, to 22.7% in France.

international convention on the elimination of all forms of racial discrimination ratification It is a United Nations convention when did this convention take place? Adopted on 21 December 1965, and entered into force on 4 January 1969 what forms of racial discrimination were they dealing with? Hate speech and elimination of racial discrimination and the promotion of understanding among all races
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Racial discrimination [SEP] Overall trends
A 2013 analysis of World Values Survey data by The Washington Post looked at the fraction of people in each country that indicated they would prefer not to have neighbours of the same race. It ranged from below 5% in Australia, New Zealand, and many countries in the Americas, to 51.4% in Jordan; Europe had wide variation, from below 5% in the UK, Norway, and Sweden, to 22.7% in France. More than 30 years of field experimental studies have found significant levels of discrimination against non-whites in labor, housing, and product markets in 10 different countries.