The five day long joint "20th International Workshop on Hadron Structure and Spectroscopy" and 5th workshop on "Correlations in Partonic and Hadronic Interactions" (IWHSS-CPHI-2024) will be held in Yerevan, Armenia, from 30 September to 4 October 2024.

IWHSS is a series (20 editions) of annual workshops on Hadron Structure and Spectroscopy, with most recent editions being the IWHSS-2023 (Prague, Czechia) and IWHSS-2022 (CERN, Switzerland).

CPHI is a series (5 editions) of biennial workshops on Correlations in Partonic and Hadronic Interactions, with most recent editions being the CPHI-2022