Are Hunter x Hunter 1999 and 2011 the same series or different

What are the notable differences between Hunter x Hunter in 1999 vs 2011? - Anime & Manga Stack Exchange

Hunter x Hunter on X: Anime : Hunter x Hunter (1999)

Made a small 1999 vs 2011 parallel :) : r/HunterXHunter

2011 vs 1999 versions.

HxH: Comparação mangá, anime 1999 e anime 2011 Criado por mim kkkkkkkkk

Hisoka 1999 x Hisoka 2011 by ConejoIlustra on DeviantArt

What's the difference between the original Hunter X Hunter and

Hunter X Hunter (1999 Version + 2011 Version + OVA + 2 Movie) ~ English Version

RIAS💗 on X: The 1999 Hunter x Hunter anime had such amazing character designs. I'm not saying the 2011 version designs are bad but the old ones are just superior. /

A look on the arcs of “Hunter × Hunter” (1999-2001; 2011-2014