We are everywhere. Modern witches can be found in every country on the planet, with the densest "out of the broom closet" populations being found in the UK and the US.
they killed the people who practised it
There is no such thing as witchcraft being practised in Fiji. People who tend to do so will face serious consequence from the comunity elders and village priest.
No it can be practised by men as well, they normally go by the term "warlock" which is the masculine of witch.
Areligion is practised in some of the days in the week
Mardi Gras is practised in Haiti
Mostly in India and Nepal, but is practised in many other countries as well.
Archery is practised but not played, you shot archery you don't play archer
Is Commedia Dell Arte still practised today?
experto
Practised
The US spelling is practiced (past tense of to practice).The UK spelling is as asked, practised.
The proper name for witchcraft is Witchcraft with a capital "W."