Why did Haydn use mostly Italian librettos?

Haydn primarily used Italian librettos because Italian was the dominant language of Opera and vocal music during his time, known for its clarity and expressiveness. The Italian style influenced many composers, and using Italian texts allowed Haydn to connect with a wider audience familiar with the operatic traditions. Additionally, Italian librettos often provided a range of emotional depth and dramatic themes that complemented Haydn's musical style. This choice also aligned with the broader cultural trends in Europe, where Italian opera was highly esteemed.