This book presents a meticulously revised edition of an ancient chronicle, which is a cornerstone in the study of Ceylon's modern-day Sri Lanka historical and religious landscape. It brings to light the profound narrative of Ceylon's past, from its early dynasties to significant cultural and religious milestones. The author was appointed by the Government of Ceylon and collaborated with esteemed committees and scholars across Europe to ensure a comprehensive review and accurate translation of this seminal work. Embedded within this text are discussions that range from the arrival of Buddhism to the architectural marvels that have stood as silent witnesses to Ceylon's evolving landscape. By retaining certain technical terms unique to Buddhist tradition, the book offers an authentic glimpse into the intricacies of Buddhist monastic life, thereby providing an unparalleled depth of understanding for researchers and enthusiasts alike. The translation strives for literal accuracy, capturing the essence of the original chronicles while offering insights into their historical significance. It includes detailed introductions, appendices, and notes that enrich readers' comprehension. Furthermore, it acknowledges both the literary merit and thematic richness of these ancient texts, promising a blend of scholarly precision with engaging narratives. In encapsulating Ceylon's rich heritage through a meticulous academic lens, this book stands as an invaluable resource for historians, scholars, and anyone intrigued by the complexities of ancient civilizations. Its contribution extends beyond mere translationoffering a bridge between past wisdoms and contemporary appreciation for one of Asia's most captivating cultures.