JAKARTA, Dec. 26 (Xinhua) -- Indonesian Christians have celebrated Christmas in a smooth and peaceful way across the country, with tight security measures in place ensuring no major incidents occurred.

    Christmas celebrations in some cities of the largest Muslim country from Wednesday evening through Thursday morning ran smoothly, peacefully and solemnly without any security disturbances, local press reported on Friday.

    Thousands of Christians attended Christmas Mass at churches in the capital city of Jakarta on Thursday. The Jakarta Roman Catholic Cathedral, which is Indonesia's oldest and biggest church that is able to accommodate around 2,500 people, saw no security disturbance.

    According to local reports, the Christmas celebrations in some churches in East Java, the largest Muslim region in the country, were also reported to have no security disturbances as feared before.

    The East Java police deployed at least 4,000 police personnel to maintain the security around churches, malls and other resorts.

    During the Christmas celebration in Manado region, President Susilo Bambang Yudhoyono said the diversity of Indonesia should not restrict the people to unite as one nation.

    "Diversity should not create discrimination and egoism. There should be no racial groups who think they are superior above others," the president said.