Nikkei up 0.1%
Japan's benchmark Nikkei ended at its highest level since January 29 after data showing that domestic manufacturing activity in June expanded for the first time in three months. Investors were also optimistic ahead of Prime Minister Abe's announcement of more reform measures, part of his "third arrow" plan, sometime this week.
Consumer electronic stocks outperformed with camera maker Olympus up 5 percent and Mitsumi Electric 4 percent higher.
Sapporo Holdings closed down 1.2 percent after the brewer said it would post a special loss of $114 million in the second quarter.
ASX 0.6% higher
Australia's resource-heavy benchmark index rebounded after closing down 1 percent on Friday, underpinned by a rise in commodity prices and China's upbeat data.
Rio Tinto rallied 2.5 percent and Fortescue Metals climbed over 4 percent after Shanghai copper rallied to a four-month high.
Ten Network jumped 2 percent on reports that private equity firm Providence Equity Partners is mulling a potential bid for the media company.