Sultan Azlan Shah Cup is related to Hockey.

Explanation:
The Sultan Azlan Shah Cup is an annual international men's field hockey tournament held in Malaysia. It was first introduced in 1983, and since then it has become one of the top hockey tournaments in the world. The tournament is named after the Sultan of Perak, Sultan Azlan Shah, who was an avid sportsman himself and was also the President of the Malaysian Hockey Federation.

Some key facts about the Sultan Azlan Shah Cup are:

- It is an invitational tournament, which means that teams are invited to participate in it.
- The tournament is usually held in the month of April.
- Six teams participate in the tournament, including the host nation Malaysia.
- The tournament is played in a round-robin format, followed by knockout matches for the top four teams.
- The winner of the tournament is awarded the Sultan Azlan Shah Cup.

Over the years, the Sultan Azlan Shah Cup has seen some of the top hockey teams in the world participate in it, including Australia, India, Pakistan, and the Netherlands. It has also been a platform for young players to showcase their talent and make it to their respective national teams.

In conclusion, the Sultan Azlan Shah Cup is a prestigious hockey tournament that has been held annually since 1983 in Malaysia. It is named after the Sultan of Perak and is an invitational tournament that sees participation from some of the top hockey teams in the world.