July 31 (SeeNews) - Croatia's blue-chip hotel owner and manager Valamar Riviera [ZSE:RIVP] said on Monday its operating profit (adjusted EBITDA) totalled 2.4 million euro ($2.6 million) in the first half of 2023, which is 1.5 million euro lower than the profit reported for the same period of 2022 due to inflation.