Because Dumbledore left it to him in his unannounced will, which Dumbledore's ghost told to Harry near the end of book Seven.
The strongest wand in the Harry Potter series is the Elder Wand.
If your question is about Harry Potter's world, then it is the Elder Wand.
The Elder wand.
Yes, but he gave it up.
No wands have names in harry potter, except the elder wand. Harry's wand is just referred to as "Harry's wand".
The relevance of the "Elder Wand" in Harry Potter is mainly that it is a very powerful wand. Also, that its allegiance changes when somebody defeats the previous owner; according to the Harry Potter books, that is the usual case with wands. In the case of the Elder Wand, the details of the ownership changes are somewhat complicated.
the wand was made of elder wood, thus its nickname "the elder wand"
Online you can buy an Albus Dumbledore wand which is the Elder Wand and they will sell it in the park. So yes you can.
it is one of the three deathly hallows (The Elder Wand, The Stone of Ressurection, and The Cloak of Invisibility.)
Voldemort kills Snape to get the elder wand
Lord Voldemort Harry Potter.
The Wizarding World of Harry Potter Theme Park.