Ths workshop series on quantum simulation and quantum walks (QSQW) postponed to be held for 3 years due to the COVID-19 pandemics. This workshop brings togher mathematian, computer scientists, theoretical physicists, and experimental physicists, which have same interests to quantum simulation and quantum walks. This workshop was launched since 2011, originally planned at Tokyo cancelled due to the big earthquake, to be held at Valencia, Spain in 2011, Okazaki, Japan in 2012, Pisa, Italy in 2013, Durban, South Africa in 2014, Yokohama, Japan in 2015, Prague, Czech Republic in 2016, Orange, CA, USA in 2017, Perth, Australia in 2018, and Marseille, France in 2019. This edition will be 10th anniversary workshop to be held at Tsukuba, Japan.