Nostalgia is the fifth studio album by American regional Mexican group Eslabon Armado. It was released on May 6, 2022, through DEL Records. The album contains guest appearances from Junior H, DannyLux, Fuerza Regida, Iván Cornejo, Estevie and Erre. It debuted at number 9 on the Billboard 200 with 44,000 album-equivalent units, becoming the first regional Mexican album to reach the chart's top 10.
This is the second album since the departure of Gabriel Hidalgo, and their first album to feature guitarist Ulises González. Guitarist Damián Pacheco joined the group shortly after the recording was completed. This makes Nostalgia the debut work of both González and Pacheco.
On the issue dated May 21, 2022, Nostalgia debuted at number 9 on the US Billboard 200 with 29,500 album-equivalent units, which consisted of 42.82 million official streams in the country. On the chart's same issue date, Bad Bunny's Un Verano Sin Ti appeared at number one, marking the first time two Spanish-language albums appeared on the chart's top 10. It also debuted atop the US Regional Mexican Albums chart, while it debuted at number 2 on the US Top Latin Albums chart. It became the first regional Mexican album to debut within the chart's top 10.