The Nā Pali Coast State Park is a 6175 acre Hawaiian state park located in the center of the rugged 16 mi along the northwest side of Kauaʻ i, the oldest inhabited Hawaiian island.
 The Nā Pali coast itself extends southwest starting at Keʻ e Beach extending all the way to Polihale State Park.
 The "na pali" (high cliffs) along the shoreline rise as much as 4000 ft above the Pacific Ocean.
 The state park was formed to protect the Kalalau Valley.
Molokai ( ; Hawaiian: ] ), nicknamed “The Friendly Isle” is the fifth largest island of eight major islands that make up the Hawaiian Island Chain in the middle of the Pacific Ocean.
 It is 38 by 10 miles (61 by 16 km) in size at its extreme length and width with a usable land area of 260 sqmi , making it the fifth-largest of the main Hawaiian Islands and the 27th largest island in the United States.
 It lies east of Oahu across the 25-mile (40 km) wide Kaiwi Channel and north of Lānai, separated from it by the Kalohi Channel.
Māhāʻ ulepū Beach is a beach on the southeast coast of the Hawaiian island of Kauai.
 The beach is separated into three different parts: Gillin's Beach, Kawailoa Bay, and Hāʻ ula Beach.
 The beach offers protection from the surf in parts and can be great for swimming.
 Fossils of extinct birds have been found in sand dunes along the shoreline, including the Kauaʻ i Stilt-owl ("Grallistrix auceps"), a flightless rail, and three species of goose, while close to the beach is the paleontologically important Makauwahi Cave.
Kealia Pond National Wildlife Refuge is a coastal salt marsh along the south-central coast of the Hawaiian Island of Maui.
 The refuge is located between the towns of Kīhei and Māʻ alaea, on both sides of North Kihei Road, Route 31.
 The wetland is also a 691 acre bird sanctuary, home to 30 species of waterfowl, shorebirds, and migratory ducks, including the "ʻ aukuʻ u" (black-crowned night heron, "Nycticorax nycticorax hoactli") and the endangered "āeʻ o" (Hawaiian stilt, "Himantopus mexicanus knudseni") and "ʻ alae kea" (Hawaiian coot, "Fulica alai").
 Kealia Pond was selected as a wildlife refuge in 1953, protecting an initial 300 acre of land.
 The refuge joined the National Wildlife Refuge System in 1992.
Vatrop is a hamlet in the Dutch province of North Holland.
 It is a part of the municipality of Hollands Kroon, and lies about 17 km southeast of Den Helder.
 Vatrop is one of the oldest inhabited places of the former island.
Hanakāpīʻai Beach is a beach in the Hawaiian islands located on Kauai's Nā Pali Coast.
 The beach is approximately 2 mi from the start of the Kalalau Trail, a very popular hiking trail which is located at Keʻe Beach.
 It is also about 2 miles from Hanakapiai Falls.
 During summer months, Hanakāpīʻai Beach's sandy shore line is clearly visible; during winter months, dangerously powerful waves and high tides wash away the sandy shore line.
 The beach is remotely located with no road access.
 The word "Hanakāpīʻai" literally means "bay sprinkling food" in Hawaiian.
Naigarhi is a town and a nagar panchayat in Rewa district in the Indian state of Madhya Pradesh.
 It is notable for some monuments built by the Sengar zamindars, who ruled in the area before sovereignty.
 According to a survey, Naigarhi is one of the oldest inhabited villages in Madhya Pradesh.
 It was inhabited by the zamindars in the late 17th century.
 Naigarhi has a sub-divisional revenue office, a Village Municipality, a police station, a Government Hospital, two Government schools and a college.
Jericho ( ; Arabic: أريحا‎ ‎ "Arīḥā " ] ; Hebrew: יְרִיחוֹ‎ "Yeriḥo ") is a city in the Palestinian Territories and is located near the Jordan River in the West Bank.
 It is the administrative seat of the Jericho Governorate, and is governed by the Fatah faction of the Palestinian National Authority.
 In 2007, it had a population of 18,346.
 The city was occupied by Jordan from 1949 to 1967, and has been held under Israeli occupation since 1967; administrative control was handed over to the Palestinian Authority in 1994.
 It is believed to be one of the oldest inhabited cities in the world and the city with the oldest known protective wall in the world.
 It was thought to have the oldest stone tower in the world as well, but excavations at Tell Qaramel in Syria have discovered stone towers that are even older.
Polihale State Park is a remote wild beach on the western side of the Hawaiian island of Kauai.
 It is the most western publicly accessible area in Hawaii, although the privately owned island of Niihau is further west.
 The park is miles away from the town of Kekaha, and it can only be reached via a poorly marked, dirt sugarcane road, making a four-wheel drive vehicle preferable.
 The beach is several miles long, yet only the area known as "Queen's Pond" offers safe swimming.
The county of Denbighshire is in north-east Wales, occupying the Vale of Clwyd and the uplands to the west, east and south.
 There are 168 Scheduled Monuments in the county.
 The oldest is from 225,000 years ago, the oldest inhabited site in Wales.
 A further 3 limestone cave systems also have Paleolithic deposits.
 Three chambered tombs date to the Neolithic.
 The moorlands in particular are home to many of the 100 Bronze Age and Iron Age, the vast majority of which are burial mounds.
 There are some 21 hill forts and other enclosure sites, and several stone circles.
 There are only 3 sites from the Roman period, and none dating to Early Medieval times.
 From the Medieval period itself on the other hand, there are 40 sites, including castles, town walls, chapels, crosses, domestic buildings, defensive buildings, bridges and monastic sites.
 There are 18 post-medieval sites, being a very diverse mix of site types and dates.
 Most notable is the World Heritage Site at Pontcysyllte Aqueduct.
 The modern county of Denbighshire bears only slight alignment with the historic county of the same name.
 The modern county includes parts of historic Merionethshire and Flintshire.

Question: Hanakapiai Beach is located on the coast on which oldest inhabited Hawaiian island?
Answer: Kauaʻ i